Thanks for the reply. Is there a way to set things up to check for lan vs wan automatically when booting. It looks like the commands you provided must be entered manually.

Richard, where do i enter those commands?

Hello. I'm a newbie! I initially setup Rpi using a network cable. I then added a wireless N usb adapter, which works fine. I would like to be able to go back-and-forth between the cable and usb adapter as needed. I noticed when I switch between cable and adapter the cable no longer works. How can I ...